Home / 11,675.28-17,512.92-7,751.64

Finding the Fourth Proportional to 11,675.28, 17,512.92 and 7,751.64

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Solution

The fourth proportional to 11,675.28, 17,512.92 and 7,751.64 is: 11,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.28 : 17,512.92 = 7,751.64 : x
  2. Step 2: Convert to fraction form
    11,675.28/17,512.92 = 7,751.64/x
  3. Step 3: Cross multiply
    11,675.28x = 17,512.92 × 7,751.64
  4. Step 4: Simplify right side
    11,675.28x = 135,753,851.19
  5. Step 5: Solve for x
    x = 135,753,851.19/11,675.28
  6. Step 6: Final answer
    x = 11,627.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.